Geotechnical and Environmental Capabilities

From investigation to construction - insight through every layer.

Stratum Consulting Engineers provides end-to-end geotechnical and environmental services that help you make confident, data-driven decisions from the ground up.

We combine deep local knowledge with technical precision to deliver safe, efficient, and sustainable outcomes across civil, residential, commercial, and infrastructure projects throughout Newcastle and the Hunter Region.

A rugged hillside with layers of exposed earth and rock, adjacent to train tracks, with a vehicle nearby and trees in the background under a clear blue sky.

Site Investigations

We carry out comprehensive investigation and testing of subsurface conditions to provide a clear understanding of ground behaviour. Our team delivers factual and interpretive reports to inform better and safer project outcomes

Key inclusions:

Borehole drilling and test pits
In-situ and laboratory testing
Groundwater and soil profiling
Geotechnical mapping and data interpretation

Railway tracks leading into a tunnel through a rocky hillside under a clear blue sky surrounded by trees.

A construction site with a focus on a measuring tool and concrete sample in the foreground, and construction machinery and safety cones in the background.

Construction workers inspecting a muddy road under construction, with dirt and machinery on the site, and cars traveling on the nearby highway.

Construction workers operating equipment near a coastal cliff with palm trees, a sandy beach, and the ocean in the background.

Close-up of a mound of dirt or gravel with a blurred yellow bulldozer in the background under a clear blue sky.

Geotechnical Design & Analysis

From shallow and deep foundations to retaining systems, pavements, and rail formations - we design for strength, safety, and constructability.
Our engineers apply advanced modelling and analysis to optimise design outcomes while balancing cost, performance, and practicality.

Key inclusions:

Foundation design and assessment
Retaining wall and slope structure design
Pavement and rail formation design
Ground improvement strategies

Contaminated Lands Assessments

We undertake contaminated lands investigations and assessments to support compliance, development applications and long term environmental protection. Our team provides clear, actionable reporting in conjunction with geotechnical advice for efficient holistic solutions.

Key inclusions:

Contaminated land investigations
Remediation action plans and validation reporting
Long-term monitoring and compliance support

Slope Stability & Landslide Mitigation

Our accredited specialists assess, model, and mitigate slope and landslide risks using advanced analysis and practical design solutions. From early identification to remediation and monitoring, we ensure safety, stability, and long-term performance.

Key inclusions:

Accredited slope risk assessments
Slope modelling and analysis
Remediation and design strategies
On-site monitoring and reporting

Construction Supervision & Advice

We provide experienced, responsive supervision throughout the construction phase - ensuring design intent, safety, and geotechnical performance are maintained from start to finish. Our chartered engineers are known for clear communication, practical advice, and dependable support on site.

Key inclusions:

Construction phase monitoring and inspections
Earthworks and retaining structure verification
Technical support and issue resolution
Quality assurance and compliance documentation

Let’s build something that lasts.

Every successful project begins with solid foundations - and that’s exactly what we deliver. Talk to our team about how Stratum can support your next development with reliable, responsive, and practical geotechnical expertise.